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Fig. 3 | BMC Public Health

Fig. 3

From: Evaluation of self-swabbing coupled with a telephone health helpline as an adjunct tool for surveillance of influenza viruses in Ontario

Fig. 3

The weekly case counts for influenza B (FluB) viruses detected between October 1, 2013 and September 30, 2014 by: the self-swabbing study (adjusted dataset) using the date a specimen was tested, and PHO laboratory data (top) and FluWatch (bottom) data. Arrows were used to indicate when the peak number of cases occurred for each dataset. PHO laboratory data and FluWatch data were plotted on the secondary axis

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BMC Public Health

ISSN: 1471-2458

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